100/25=20/x

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Solution for 100/25=20/x equation: 



100/25=20/x

We move all terms to the left:

100/25-(20/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+20/x)+100/25=0

We add all the numbers together, and all the variables

-(+20/x)+4=0

We get rid of parentheses

-20/x+4=0

We multiply all the terms by the denominator


4*x-20=0

We add all the numbers together, and all the variables

4x-20=0

We move all terms containing x to the left, all other terms to the right

4x=20

x=20/4

x=5

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